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Attorney.

* UNITED-STATES .TAY AUSTIN EIPER, on wILKES-BARR,PENNSYLVANIA, ASSIGNQR on cian-FOURTHV To GILBERT B. STEWART, oF'SAMn PLACE.

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SIPIEICIFIGATION forming* part 0f Letters Patent rNo. 523,765, dated July 31, 1894. Application filed April '7, 1894:. Serial No. 506,726. (No model To all whom it may concern:

Be it known that I, J AY AUSTIN EIPER, a citizen of the United States, residing at Wilkes- Barr, in the county of Luzerne and State of Pennsylvania, have invented certain new and useful Improvements in Horseshoes; and Ido hereby declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same, reference being had to the accompanying drawings, and to the letters of reference marked thereon, which form a part of this specification.

-My invention consists in an improvement f in that class of horse shoes provided with a removable continuous calk, and its general objects are to render such a combination more useful by making it cheaper, vmore simple, convenient and efficient in construction and operation.

In many cases in the previous state of the art, horse shoes when provided with removable calks have had the shoe or hoof part so peculiarly constructed with reference to the calk, as to require the shoe part to be made with particular reference to the calk part with which it is to be connected, and in such manner that the calk cannot be applied to any ordinary shoe without requiring the shoe to be re-made.

The principal object ofpmy invention is to construct a continuous calk that will enable it to be applied to any shoe of a corresponding size, by simply drilling three holes in the under surface of the shoe to receive the calk, a work of a very few minutes.

' My invention is illustrated in the accompanying drawings, in which--A Figure lis a bottom plan view of a shoe with myimprovement attached; Fig. 2, a side view of the continuous calk, and Fig. 3, asectional side view of one half the 'combined shoe and calk.

Referring to the drawings, A is a horse shoe of ordinary form but without toe or heel calkS, and provided with the usual fnllering,

or creases, along the sides of its under snrface and having nail holes therein to receive the nails. B is a continuous calk of the same contour with the shoe part, and adapted to bear flatly on the shoe over the creases, to entirely cover the creasesjand protect and cover the nail heads. In the drawings the calk is shown as beveled inside terminating at its base in a sharp edge.l This form of calk is desirable for use in cold weather to give the shoe a firm hold on ice or frozen ground, or at other times for use on surfaces requiring a sharp penetrating calk. But at other times, and on ordinary good streets or roadways, a fiat surfaced calk. may be used. In both cases the` foot'of the horse has a level bearing over the entire shoe. This calk on its under surface near the heels is provided with directly opposite cut away portions D D.

These cut away portions have each a plain hole drilled through the same to receivea small screw bolt, Rand a screw hole, t', is drilled in each of the corresponding -under Sides of the shoe to receive the ends of said screw bolts. It is by means of these two screw bolts that the calk is Secured to the shoe part, and when in place the screw heads are beneath the adjacent surface edges 'of the calle The calk is also provided on its upper surface directly atthe center of the toe with a plain smooth pin, G, and a hole o, to receive the same, is drilled at a corresponding point in the shoe. At the cut out portions the calk may be made thicker to strengthen the calk at those points.

' The calks are made of different numbered sizes to correspond with dierent sizes of shoes, and all that is required to be done to tit a calk toits shoe is to ascertain the size of the vshoe, and then to drill two screw holes i, in the under surface of the shoe at the points to register with the holes in the calk as above described, and a hole, o, at the toe to receive the pin G of the calk. By these means the shoe is preserved a long time, the nailsheld in place, and frequent horse shoeing avoided, and any shoe at any time can be provided with a corresponding protecting calk by the slight alterations above described.

Having thus described my invention, what I claim is- The combination with a horseshoe of thev ordinary form but without toe or heel calks, of a continuous calk having a plain upper surface itting over the nail creases in the Ieov shoe, said calk provided on its `under surface the pin G of the calk, substantially as denear its heels with directly opposite plain cutscribed.

away portions D, D, and on its-upper surface In testimony whereof I affix my signaturein at the center of the toe with apermanent pin presence of two witnesses.

5 G,said shoe part provided with two screw JAY AUSTIN EIPER.

holes to receive screw bolts which are coun- Witnesses: Y tersunk in the cutaway portions D, D of the Jos. H. BLACKWOOD, f calk, and also with a hole at its toe to receive H; P. DOOLITTLE. 

